71831848 has 16 divisors (see below), whose sum is σ = 146928960. Its totient is φ = 32650800.

The previous prime is 71831843. The next prime is 71831861. The reversal of 71831848 is 84813817.

It is a self number, because there is not a number n which added to its sum of digits gives 71831848.

It is not an unprimeable number, because it can be changed into a prime (71831843) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 408048 + ... + 408223.

It is an arithmetic number, because the mean of its divisors is an integer number (9183060).

Almost surely, 2^71831848 is an apocalyptic number.

It is an amenable number.

71831848 is an abundant number, since it is smaller than the sum of its proper divisors (75097112).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

71831848 is a wasteful number, since it uses less digits than its factorization.

71831848 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 816288 (or 816284 counting only the distinct ones).

The product of its digits is 43008, while the sum is 40.

The square root of 71831848 is about 8475.3671306912. The cubic root of 71831848 is about 415.6926508155.

The spelling of 71831848 in words is "seventy-one million, eight hundred thirty-one thousand, eight hundred forty-eight".